4PT PCIe USB3 Card Adapter UASP SATA LP4The PEXUSB3S42V 4 Port PCI Express USB 3. 0 Card lets you add four USB 3. 0 ports with two dedicated 5 Gbps channels to your PCIe x4 enabled PC. This independent port architecture improves USB 3. 0 performance by transferring data on two individual channels to your computer, giving you faster file transfers. When multiple devices are connected, traditional single bus USB 3. 0 cards share your maximum bandwidth between all ports. By employing a second